GB/T 7991.3-2021
Test method of viterous and porcelain enamels—Part 3：Determination of resistance to thermal shock (English Version)

Standard No.

GB/T 7991.3-2021

Language

Chinese, Available in English version

Release Date

2021

Published By

国家市场监督管理总局、中国国家标准化管理委员会

Latest

GB/T 7991.3-2021

Replace

GB/T 7987-2013

Scope

This document describes the test principle of the glass-lined layer's resistance to sudden changes in temperature difference, and specifies the test device and instrument, sample, test procedure, result judgment and test report. This document is applicable to the determination of the rapid change resistance of the glass-lined layer of the glass-lined flat test piece.

GB/T 7991.3-2021 Referenced Document

• GB/T 7991.6 Test method of viterous and porcelain enamels.Part 6:High voltage test
• HG/T 3105 Vitreous and porcelain enamels for sheet steel-Production of specimens for testing

GB/T 7991.3-2021 history

• 2021 GB/T 7991.3-2021 Test method of viterous and porcelain enamels—Part 3：Determination of resistance to thermal shock
• 2013 GB/T 7987-2013 Vitreous and porcelain enamels.Determination of resistance to therml shock
• 2003 GB/T 7987-2003 Vitreous and porcelain enamels--Determination of resistance to therm shock

GB/T 7991.3-2021 Test method of viterous and porcelain enamels—Part 3：Determination of resistance to thermal shock has been changed from GB/T 7987-2013 Vitreous and porcelain enamels.Determination of resistance to therml shock.

GB/T 7991.3-2021 -All Parts